Optimizing your HPC applications with the LIKWID toolkit

In this video Thomas Gruber provides in introduction into the LIKWID performance toolkit. This video is part of the #HPC.NRW Tool Talks series, that presented introductory talks to software development tools for HPC applications. The videos are live recordings of online presentations. 0:00 Introduction 5:39 Topology, affinity, clock speed 15:55 Pinning processes and threads 35:28 Clock speeds under Linux OS 42:40 Performance analysis with hardware metrics 51:18 The LIKWID marker API 1:04:58 Using LIKWID on NVIDIA GPUs